217870910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{39541}}^1$

素因数の和:39596

約数の個数: 32

約数和(自身を含む): 427053600

約数和(自身を除く): 209182690

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 39541, 79082, 197705, 395410, 751279, 1146689, 1502558, 2293378, 3756395, 5733445, 7512790, 11466890, 21787091, 43574182, 108935455, 217870910]

約数ペア:

[(1, 217870910), (2, 108935455), (5, 43574182), (10, 21787091), (19, 11466890), (29, 7512790), (38, 5733445), (58, 3756395), (95, 2293378), (145, 1502558), (190, 1146689), (290, 751279), (551, 395410), (1102, 197705), (2755, 79082), (5510, 39541)]